[특허]Variably preloaded ball joint assembly

[미국특허] Variably preloaded ball joint assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16D-001/12 F16C-011/06
출원번호	US-0833739 (1977-09-16)
발명자 / 주소	Zukowski Leonard J. (Sterling Heights MI)
출원인 / 주소	TRW Inc. (Cleveland OH 02)
인용정보	피인용 횟수 : 17 인용 특허 : 0

초록 ▼

A ball and socket structure is disclosed for connecting the rack bar and tie rod of the vehicle steering system in which opposed bearing surfaces engage opposite hemispheres of the ball end. A tubular housing is internally threaded from one end and is formed with one of the bearing surfaces at its other end. A pre-loading plug or disc is threaded along the internal threads to a pre-loading position in which it compresses a high rate spring elastomeric to pre-load the two bearing surfaces toward each other the disc being supported during use by threading the end of the rack bar into the housing until the threaded end bottoms out against the pre-loading plug.

대표청구항 ▼

An apparatus for connecting a drive member and a tie rod member in a dirigible wheel steering system comprising a ball stud formed with a ball end, a socket assembly including a tubular housing having an internal thread extending inwardly from one end and adapted to have one of said members threaded therein, said tubular housing enclosing said ball end at its other end, said socket assembly providing a pair of opposed bearing surfaces engaging opposite hemispheres of said ball end and journaling said ball stud for tilting and rotational movement with respect to said socket assembly, a disc forming part of said socket assembly threaded into said internal thread, high rate spring means operable between said disc and at least one of said bearing surfaces, said disc being threaded to a preload position in which it preloads said spring means and is locked in said position, said spring means causing said bearing surfaces to be resiliently biased against said ball end with a predetermined preload force due to preloading by said disc, the threaded connection between said disc and said internal thread being sufficiently strong to maintain said preload but insufficiently strong to safely support loads applied to said one bearing surface, said ball and socket assembly being installed in the steering system by threading said internal thread over the threaded end on one of said members until said threaded end engages said disc, said threaded end providing sufficient support for said disc when installed to safely support the loads applied to said one bearing surface during the use, and said internal thread and threads on said disc providing sufficiently small clearance in relation to the spring rate of said spring means to prevent the preloading force on said bearing surface from being excessively increased when said socket assembly is threaded onto said one member.

이 특허를 인용한 특허 (17) 인용/피인용 타임라인 분석

Henriksen, Arne Jay, Adjustable ball joint.
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Urbach Brian A. ; Decker Gordon J. ; Jaroneski Jack, Adjustment for a ball joint assembly.
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Hollerweger Heinz (Ingolstadt DEX) Kuipers Geert (Ingolstadt DEX) Steiner Peter (Ingolstadt DEX) Zahl Josef (Ingolstadt DEX), Apparatus for steering an automotive vehicle.
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Loeffler Fredrick L., Ball joint assembly.
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Yu, Jinghong; Langseth, III, Peter G.; Fitz, Todd; Walker, Eric J.; Post, II, James W.; Grannemann, Bernd; Rechtien, Martin, Ball joint assembly having friction coated components and methods of assembling a ball joint assembly having defined gaps.
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Engels, Frank P.; Stroetgen, Peter J., Connector rod.
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Koyama, Tatsuya, Fixing device.
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Tsukawaki, Hisashi, Fixing device.
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Kondo, Tomohiro; Tsukawaki, Hisashi, Fixing device having flexible fusing member.
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Ishida, Kei, Fixing device including a tubular member and leaf spring which urges inner peripheral surface of tubular member in radial direction.
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Yu, Jinghong; Wolf, David; Vogel, Daniel; Hosni, Edward A.; Samalot-Quiles, Angel D., Friction controlled ball joint.
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Schmidt, George; Fitch, Larry; Doherty, Donald, Method of setting the pre-load for a ball socket joint.
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Autenrieth Ralph,DEX ; Pfaff Hans-Georg,DEX ; Richter Herbert,DEX ; Willmann Gerd,DEX ; Wimmer Martin,DEX ; Worne Christian,DEX, Method of testing ceramic cotyloid cavities for hip joint endoprostheses.
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Maurer Dieter (Friedrichshafen DEX) Rauter Jrgen (Friedrichshafen DEX) Dziuba Peter (berlingen DEX), Pivot limiter for steered wheels.
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Kraatz, Clayton, Serviceable spherical joints with wear-compensation features.
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Okubo, Takayasu; Tanioka, Minao; Sato, Hirohiko, Shower apparatus.
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Bergman,Ron, Steering post for recreational vehicle.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Variably preloaded ball joint assembly 원문보기